This video runs a bit longer than what I usually post, because it shows an absolute master class and insights into how to engage unbelievers, particularly those from any of the cults, like Mormons / Church of Latter Day Saints or Jehovah Witnesses, as these and similar cults claim to also believe in what the Bible says, yet each such group has added to or distorted what the Bible clearly teaches in opposition. What is common to all such groups is that they deny the Deity of Jesus Christ - and to deny Jesus is God is to reject Him!
https://www.youtube.com/watch?v=14ukGDtujZY
About the video: A Christian apologist had encountered a group of Mormons and invited them over to his house to discuss their Mormon beliefs, which are based upon the teachings and supposed revelations of Joseph Smith - it's a very detailed conversation.
What the video so powerfully shows:
. It reveals how to challenge cultists and others per what their beliefs are vs. what the Bible clearly says.
. It shows how to engage cultists and unbelievers with respect, tremendous patience, humility, asking good questions, letting them talk, etc. - and NOT just trying to win arguments, but to attempt reasoning and understandings, so as to hopefully make them think about what you've said - and especially about how their religious views directly contrast with the Bible's teachings.